//#version 300 es
//layout(location = 0) in vec4 a_position;
//layout(location = 1) in vec4 a_color;
//out vec4 v_color;
//out vec4 v_position;
//
//void main() {
//    v_color = a_color;
//    gl_Position = a_position;
//    v_position = a_position;
//}
